20178361259

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{69809}}^1$

素因数の和:70187

約数の個数: 24

約数和(自身を含む): 24925520880

約数和(自身を除く): 4747159621

約数列:

[1, 7, 17, 49, 119, 347, 833, 2429, 5899, 17003, 41293, 69809, 289051, 488663, 1186753, 3420641, 8307271, 24223723, 58150897, 169566061, 411803291, 1186962427, 2882623037, 20178361259]

約数ペア:

[(1, 20178361259), (7, 2882623037), (17, 1186962427), (49, 411803291), (119, 169566061), (347, 58150897), (833, 24223723), (2429, 8307271), (5899, 3420641), (17003, 1186753), (41293, 488663), (69809, 289051)]